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Finding the Fourth Proportional to 587,228.80, 880,843.20 and 508,496.80

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Solution

The fourth proportional to 587,228.80, 880,843.20 and 508,496.80 is: 762,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,228.80 : 880,843.20 = 508,496.80 : x
  2. Step 2: Convert to fraction form
    587,228.80/880,843.20 = 508,496.80/x
  3. Step 3: Cross multiply
    587,228.80x = 880,843.20 × 508,496.80
  4. Step 4: Simplify right side
    587,228.80x = 447,905,948,501.76
  5. Step 5: Solve for x
    x = 447,905,948,501.76/587,228.80
  6. Step 6: Final answer
    x = 762,745.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.